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main.js
run
preview
console
const typeByDomain = {
org: 'organization',
com: 'commercial',
net: 'network',
info: 'information'
}

function domainType(domains) {
return domains.map(domain => {
const [topLevel] = domain.split('.').reverse()

return typeByDomain[topLevel]
})
}


/**
* Test Suite
*/
describe('domainType()', () => {
it('returns list of domain types', () => {
// arrange
const domains = ["en.wiki.org", "codefights.com", "happy.net", "code.info"];

// act
const result = domainType(domains);

// log
console.log("result: ", result);

// assert
expect(result).toEqual(["organization", "commercial", "network", "information"]);
});
});
Console
"result: "
,
[
"organization"
,
"commercial"
,
"network"
,
"information"
]
,
/index.html
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